Version 2.1 introduced major changes, including support for Mac OS X autosave, document versioning, and iCloud.
Version 2.1.1 fixes several important issues that were discovered after the release of version 2.1.

This update is free for all current license holders of Pro 2.Requires Mac OS X 10.7.5 or later. Mac OS X 10.6 is no longer supported.

• Download Version 2.1.1
• This update can also be downloaded via the menu Nisus Writer Pro > Check For Updates.